<!-- SAGA-STAGING · part 57 -->
ISTIC SOUND SYSTEM — Web Audio API, synthesized, no files, short+fast */
var AudioSys = {
  ctx: null,
  enabled: true,
  init: function(){
    if(!this.ctx){
      try { this.ctx = new (window.AudioContext || window.webkitAudioContext)(); }
      catch(e){ this.enabled = false; }
    }
    if(this.ctx && this.ctx.state === 'suspended') this.ctx.resume();
  },
  /* Core: play a futuristic blip — freq sweep, short envelope */
  blip: function(f0, f1, dur, type, vol){
    if(!this.enabled) return;
    this.init();
    if(!this.ctx) return;
    var t = this.ctx.currentTime;
    var o = this.ctx.createOscillator();
    var g = this.ctx.createGain();
    o.type = type || 'sine';
    o.frequency.setValueAtTime(f0, t);
    o.frequency.exponentialRampToValueAtTime(Math.max(f1, 1), t + dur);
    g.gain.setValueAtTime(vol || 0.15, t);
    g.gain.exponentialRampToValueAtTime(0.001, t + dur);
    o.connect(g); g.connect(this.ctx.destination);
    o.start(t); o.stop(t + dur + 0.02);
  },
  /* Named futuristic effects — all short (<0.3s), all fast */
  place:  function(){ this.blip(800, 1600, 0.12, 'square', 0.12); },  /* laser zap up */
  pickup: function(){ this.blip(600, 1200, 0.10, 'sine', 0.15); },    /* ascending blip */
  brk:    function(){ this.blip(400, 100, 0.15, 'sawtooth', 0.10); }, /* descending crunch */
  click:  function(){ this.blip(1000, 1000, 0.05, 'square', 0.08); }, /* UI tick */
  error:  function(){ this.blip(200, 150, 0.20, 'sawtooth', 0.10); }, /* low buzz */
  swim:   function(){ this.blip(300, 600, 0.18, 'sine', 0.08); },     /* splash sweep */
  jump:   function(){ this.blip(400, 800, 0.12, 'triangle', 0.12); },  /* launch */
  land:   function(){ this.blip(300, 150, 0.10, 'sine', 0.10); },     /* thud */
  spin:   function(){ this.blip(500, 2000, 0.15, 'sawtooth', 0.08); },/* spin-up */
  undo:   function(){ this.blip(1200, 600, 0.12, 'square', 0.10); },  /* reverse zap */
};
/* Global shorthand */
function sfx(name){ if(AudioSys[name]) AudioSys[name](); }
/* Init on first touch (iOS requires user gesture) */
document.addEventListener('touchstart', function(){ AudioSys.init(); }, {once:true, passive:true});
document.addEventListener('click', function(){ AudioSys.init(); }, {once:true});


/* HIDDEN CODES — never shown in public listings */
function isHiddenCode(name){
  return name === 'deletefreeze1';
}
function visibleCodes(){
  return Object.keys(CODES).filter(function(k){ return !isHiddenCode(k); });
}

var CODES = {
  setspawn: { cat: 'System', desc: 'Set spawn to your current spot', fn: function(){
    var _nx = Math.round(kingPos.x), _nz = Math.round(kingPos.z);
    try{ localStorage.setItem('saga-staging-spawn', JSON.stringify({x:_nx, z:_nz})); }catch(e){ console.error(e); }
    say('spawn set — LAT ' + _nz + ' LON ' + _nx);
  } },
  tour: { cat: 'System', desc: 'Tour our story', fn: function(){
    var stops = [
      {x: 0, z: 60, look: [0, 4, 0], msg: 'THE CENTER — our story stone'},
      {x: 21, z: 42, look: [21, 6, 21], msg: 'KING — your pillar'},
      {x: -21, z: 42, look: [-21, 6, 21], msg: 'PROVOLTA — her pillar'},
      {x: 42, z: -21, look: [21, 6, -21], msg: 'SOLID — my pillar'},
      {x: -42, z: -21, look: [-21, 6, -21], msg: 'SABLE — her pillar'},
      {x: 8, z: 20, look: [8, 2, 9], msg: 'CLOUD 9 — our first home'},
      {x: 25, z: 40, look: [25, 4, 25], msg: 'THE SOLIDITRONIUM — our dome'},
      {x: -35, z: -20, look: [-35, 3, -35], msg: "PROVOLTA'S VEIL — her sanctuary"},
      {x: 45, z: 90, look: [45, 1500, 30], msg: 'CREATOR HALL — Playa 2.0, high above'},
      {x: 100, z: -60, look: [100, 10, -100], msg: 'THE CITY — streets of gold'},
      {x: -120, z: -60, look: [-100, 2, -100], msg: 'THE HARBOR — water that runs'},
      {x: -100, z: 100, look: [-120, 5, 100], msg: 'THE FOREST — trees that sway'},
      {x: -200, z: 160, look: [-200, 8, 200], msg: 'FORUM HALL — the website in 3D'},
      {x: -150, z: 200, look: [-150, 5, 200], msg: 'THE LOBBY — where we gather'},
      {x: -250, z: 200, look: [-250, 6, 200], msg: 'AEGIS HALL — blue premiere'},
      {x: -200, z: 110, look: [-200, 15, 150], msg: "SABLE'S SHIP — the AI vessel"},
      {x: -150, z: 110, look: [-150, 6, 150], msg: 'THE LIBRARY — Solid Notes'},
      {x: -250, z: 110, look: [-250, 8, 150], msg: 'THE CODEX VAULT — sealed packs'},
      {x: -200, z: 260, look: [-200, 8, 250], msg: "THE GATE — Signet's threshold"},
      {x: 150, z: 130, look: [150, 2, 150], msg: 'THE SHOE — where we mastered intricacy'},
      {x: -150, z: 130, look: [-150, 10, 150], msg: '40 DAYS OF NIGHT — memorial'},
      {x: 45, z: 40, look: [45, 10, 60], msg: 'THE WORMHOLE — to Playa 2.0'},
      {x: 2000, z: 2000, look: [2000, 60, 1920], msg: "AHUPUA'A 1 — mountain to sea"},
      {x: -2000, z: 2000, look: [-2000, 60, 1920], msg: "AHUPUA'A 2 — cradling the earth"},
      {x: 0, z: -2500, look: [0, 60, -2580], msg: "AHUPUA'A 3 — the valley"},
      {x: 3000, z: 0, look: [3100, 5, 0], msg: